In primul rand facem : *radical* 2^2 x 80 + *radical* 3^2 x 20 - *radical* 4^2 x 20 + *radical* 45 = *radical* 320 + *radical* 180 - *radical* 320 - *radical* 45 = *radicalii cu 320 se reduc* => *radical* 180 - *radical*45 = *radical* 135
Sper ca ai inteles!
